Home / 55,465,344.72-76,541,914.44-31,019,155.92

Finding the Fourth Proportional to 55,465,344.72, 76,541,914.44 and 31,019,155.92

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Solution

The fourth proportional to 55,465,344.72, 76,541,914.44 and 31,019,155.92 is: 42,806,289.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,465,344.72 : 76,541,914.44 = 31,019,155.92 : x
  2. Step 2: Convert to fraction form
    55,465,344.72/76,541,914.44 = 31,019,155.92/x
  3. Step 3: Cross multiply
    55,465,344.72x = 76,541,914.44 × 31,019,155.92
  4. Step 4: Simplify right side
    55,465,344.72x = 2,374,265,578,429,659.50
  5. Step 5: Solve for x
    x = 2,374,265,578,429,659.50/55,465,344.72
  6. Step 6: Final answer
    x = 42,806,289.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.